Search Results - "Gaggero, Nicoletta"

Synthesis of 3,4-Dihydropyridin-2-ones via Domino Reaction under Phase Transfer Catalysis Conditions by Domenico C. M. Albanese, Nicoletta Gaggero, Kamila Prenga

“…3,4-dihydropyridin-2-ones are of considerable importance due to the large number of these core structures exhibiting a diverse array of biological and…”
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Building Up Quaternary Stereocenters Through Biocatalyzed Direct Insertion of Carbon Nucleophiles on Ketones by Gaggero, Nicoletta

“…Quaternary stereocenters are privileged structural motifs, widely distributed in natural products and in pharmaceutically active compounds. Asymmetric methods…”
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Fluorous Biphasic Catalytic Oxidation of Sulfides by Molecular Oxygen/2,2-Dimethylpropanal by Colonna, Stefano, Gaggero, Nicoletta, Montanari, Fernando, Pozzi, Gianluca, Quici, Silvio

“…The use of perfluoroalkyl‐substituted cobalt complexes as catalysts for the oxidation of alkyl aryl sulfides with molecular oxygen/2,2‐dimethypropanal has been…”
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Comparison of cyclohexanone monooxygenase as an isolated enzyme and whole cell biocatalyst for the enantioselective oxidation of 1,3-dithiane by Zambianchi, Francesca, Raimondi, Stefano, Pasta, Piero, Carrea, Giacomo, Gaggero, Nicoletta, Woodley, John M.

“…Both whole cells of recombinant Escherichia coli TOP10, overexpressing cyclohexanone monooxygenase (CHMO) and isolated cyclohexanone monooxygenase, were used…”
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N-Heterocyclic Carbene Catalysis as a Tool for Gaining Access to the 3,4-Dihydropyran-2-one Skeleton by Albanese, Domenico C. M., Gaggero, Nicoletta

“…An overview of the progress made in the synthesis of 3,4‐dihydropyran‐2‐ones since the development of NHC catalysis is reported. Two distinct classes of…”
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Stereoselective reaction of 2-carboxythioesters-1,3-dithiane with nitroalkenes: an organocatalytic strategy for the asymmetric addition of a glyoxylate anion equivalent by Massolo, Elisabetta, Benaglia, Maurizio, Genoni, Andrea, Annunziata, Rita, Celentano, Giuseppe, Gaggero, Nicoletta

“…An efficient organocatalytic methodology has been developed to perform the stereoselective addition of 2-carboxythioesters-1,3-dithiane to nitroalkenes. Under…”
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A new approach to 4,6-disubstituted-3,4-dihydropyran-2-ones by Domino Michael addition-cyclization reaction under PTC conditions by Gaggero, Nicoletta, Albanese, Domenico C.M., Nava, Donatella

“…Domino Michael addition-cyclization reactions of α,β-unsaturated carbonyl compounds with activated 1,3-dithiane-2-carbothioate esters under solid-liquid phase…”
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Stereoselective thio-Michael addition to chalcones in water catalyzed by bovine serum albumin by Gaggero, Nicoletta, Albanese, Domenico Carlo Maria, Celentano, Giuseppe, Banfi, Stefano, Aresi, Alice

“…A biomimetic, inexpensive, and simple method for the stereoselective thio-Michael addition of thiols to chalcones has been developed using bovine serum albumin…”
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Recent biotechnological developments in the use of peroxidases by Colonna, Stefano, Gaggero, Nicoletta, Richelmi, Carlo, Pasta, Piero

“…Peroxidases are ubiquitous oxidoreductases that use hydrogen peroxide or alkyl peroxides as oxidants. Advances have recently been made in using them to…”
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First asymmetric epoxidation catalysed by cyclohexanone monooxygenase by Colonna, Stefano, Gaggero, Nicoletta, Carrea, Giacomo, Ottolina, Gianluca, Pasta, Piero, Zambianchi, Francesca

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Microbiological transformations 36: Preparative scale synthesis of chiral thioacetal and thioketal sulfoxides using whole-cell biotransformations by Alphand, Véronique, Gaggero, Nicoletta, Colonna, Stefano, Pasta, Piero, Furstoss, Roland

“…This work describes the preparative scale enantioselective oxidation of some prochiral dithioacetals and dithioketals to their corresponding chiral…”
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Facile conversion of sulfilimines into sulfoximines using dioxiranes by Gaggero, Nicoletta, D'Accolti, Lucia, Colonna, Stefano, Curci, Ruggero

“…Employing dimethyldioxirane, the direct conversion of several N-( p-tolylsulfonyl)sulfilimines and of one N-(acetyl)sulfilimine into the corresponding…”
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Chloroperoxidase-catalyzed enantioselective oxidation of methyl phenyl sulfide with dihydroxyfumaric acid/oxygen or ascorbic acid/oxygen as oxidants by Pasta, Piero, Carrea, Giacomo, Monzani, Enrico, Gaggero, Nicoletta, Colonna, Stefano

“…The chloroperoxidase catalyzed oxidation of methyl phenyl sulfide to (R)‐methyl phenyl sulfoxide was investigated, both in batch and membrane reactors, using…”
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Enantioselective synthesis of tert-butyl tert-butanethiosulfinate catalyzed by cyclohexanone monooxygenase by Colonna, Stefano, Gaggero, Nicoletta, Carrea, Giacomo, Pasta, Piero, Alphand, Veronique, Furstoss, Roland

“…Cyclohexanone monooxygenase from Acinetobacter calcoaceticus catalyzes the asymmetric oxidation of tert‐butyl disulfide to enantiomerically pure (R)‐tert‐butyl…”
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Microbiological transformations 35: Enantioselective one-step preparative scale synthesis of 1,3-dithiane-1-oxide via whole-cell bacterial oxidation by Alphand, Véronique, Gaggero, Nicoletta, Colonna, Stefano, Furstoss, Roland

“…This work describes the preparative scale enantioselective oxidation of 1,3-dithiane to the corresponding monosulfoxide using whole-cell cultures of two…”
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Enantio and diastereoselectivity of cyclohexanone monooxygenase catalyzed oxidation of 1,3-dithioacetals by Colonna, Stefano, Gaggero, Nicoletta, Carrea, Giacomo, Pasta, Piero

“…The asymmetric oxidation of 2-substituted dithianes, dithiolanes and oxathiolanes catalyzed by cyclohexanone monooxygenase (CMO) has been examined. The…”
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Enantioselective synthesis oftert-butyltert-butanethiosulfinate catalyzed by cyclohexanone monooxygenase by Colonna, Stefano, Gaggero, Nicoletta, Carrea, Giacomo, Pasta, Piero, Alphand, Veronique, Furstoss, Roland

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Sulphoxidation reaction catalysed by myeloperoxidase from human leucocytes by Capeillère-Blandin, C, Martin, C, Gaggero, N, Pasta, P, Carrea, G, Colonna, S

“…The oxidation of alkyl aryl sulphides by myeloperoxidase (MPO) at the expense of hydrogen peroxide was investigated under steady-state conditions. The sulphide…”
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Enantioselective oxidations catalyzed by diketocamphane monooxygenase from Pseudomonas Putida with macromolecular NAD in a membrane reactor by PASTA, P, CARREA, G, GAGGERO, N, GROGAN, G, WILLETTS, A

“…Several sulfides and bicyclo[3.2.0]hept-2-en-6-one were enantioselectively oxidized to the corresponding sulfoxides and oxa lactones by a crude preparation of…”
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Effects of chloride on the kinetics and stereochemistry of chloroperoxidase catalyzed oxidation of sulfides by Pasta, P, Carrea, G, Colonna, S, Gaggero, N

“…At pH 3, chloride dramatically influenced both the Km of chloroperoxidase (CPO) for methyl p-tolyl sulfide, which decreased, and its activity, which increased…”
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